Owner manual

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Document Number: 93581
4 Revision: 22-Apr-08
VSK.250, .270, .320 Series
Vishay High Power Products
Standard Recovery Diodes, 250 to 320 A
(MAGN-A-PAK
TM
Power Modules)
Fig. 1 - Current Ratings Characteristics
Fig. 2 - Current Ratings Characteristics
Fig. 3 - Forward Power Loss Characteristics
Fig. 4 - Forward Power Loss Characteristics
Fig. 5 - Forward Power Loss Characteristics
80
90
100
110
120
130
140
150
0 50 100 150 200 250 300
30°
60°
90°
120°
180°
Maximum Allowable Case Temperature (°C)
Conduction Angle
Average Forward Current (A)
VSK.250.. Se rie s
R (DC) = 0.16 K/ W
thJC
80
90
100
110
120
130
140
150
0 50 100 150 200 250 300 350 400
DC
30°
60°
90°
120°
180°
Maximum Allowable Ca se Temperature (°C)
Conduction Period
Average Forward Current (A)
VSK.250.. Se rie s
R (DC) = 0.16 K/ W
thJC
0
50
100
150
200
250
300
0 50 100 150 200 250
Ave rag e Fo rwa rd Curre nt (A)
RM S Li m i t
Maxim um Average Forward Power Loss (W)
Conduc tion Angle
180°
120°
90°
60°
30°
VSK.250.. Series
T = 1 5 0 ° C
J
0
50
100
150
200
250
300
350
400
450
0 50 100 150 200 250 300 350 400
DC
180°
120°
90°
60°
30°
Average Forward Current (A)
RM S Li m i t
Maximum Average Forward Power Loss (W)
Conduction Period
VSK.250.. Se ries
T = 150°C
J
0 25 50 75 100 125 150
Maximum Allowable Ambient Temperature (°C)
R
=
0
.
0
2
K
/
W
-
D
e
l
t
a
R
t
h
S
A
0
.
0
8
K
/
W
0
.
2
K
/
W
0
.
2
5
K
/
W
0
.
4
K
/
W
0
.
1
2
K
/
W
0
.
6
K
/
W
0
100
200
300
400
500
600
0 50 100 150 200 250 300 350 400
Total RMS Output Current (A)
Maximum Total Forward Power Loss (W)
180°
(Sine)
DC
VSK.250.. Se rie s
Pe r Ju n c t io n
T = 15 0° C
J